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GI: With Microsoft and Sony not too far away from announcing new consoles, there have been all sorts of rumors. One is that Microsoft may be going away from discs and using solid state storage. I'm curious, what is your reaction is from the tech standpoint?
TS: Rumors aside, you can look at different storage devices from a purely technical point of view. You see that spinning optical media has about 250 milliseconds of latency. If you want to get some bits from somewhere else on the disc, you have to wait a quarter of a second for the little mechanical elements to move the head around so they can read it. A hard disc is about 20 times faster than that, and a solid state drive is tens of thousands of times faster. It's basically the speed of electrons that limits the solid state drive.
One of the major things a game needs to do in a world with a large environment and lots of graphical resources is continually go out and pull new textures and sounds and 3D models from different places in the storage media. So solid state drives have a really dramatic advantage from that point of view. It would certainly be desirable for the working storage to be solid state or some other extremely fast medium. But that's a completely separate question from distribution media. Solid state drive costs are fairly expensive.
You couldn't ship a game on a cartridge that's a solid state drive itself. It would terribly prohibitive economically. You could potentially envision downloading a game from the internet to a solid state drive, or taking it off of optical media and installing it on a solid state drive. There are lots of ways to get a game onto optimal media for playing the game. If you look at decoupling the distribution media, whether it's internet or storage from the streaming medium (which is used during gameplay), you see far more flexibility than just in current console games. If all you have is a spinning drive, you just have to go out, load a resource, and wait for a drive to go out and do its mechanical work.
GI: I've met with Mike Capps a few times, and we've talked about the fast pace at which smartphones and tablets iterate. Every year, or every other year they are doubling in power. The consoles, of course, are on a five-year (or now longer) cycle between upgrades. Do you think it won't be too long until we see something like this Samaritan demo that Epic has shown off a few times? Do you think we're going to see that level soon on a tablet?
TS: We'll get there eventually. What we're seeing is more resolve marching forward with hardware performance doubling less than every two years. The big difference between a console and a tablet is the console can consume 100 or 200 watts of power, while the tablet consumes one or two or three or four watts. That's really the limiting factor of performance there. Just on the grounds of the laws of physics, you'd have to think it is three to four hardware generations, or six to eight years before the current highest end desktop or console performance you can achieve becomes achievable on tablets. To me, that really defines the role of consoles in the world. They define the highest and most impressive graphics experience anywhere in the industry. They focus on delivering teraflops of computing performance in a way that a portable device or an economical computer really couldn't, despite sheer focus on that one aspect.
the full interview about next-gen and stuff is here.
you need to register to read it.